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Finding the Fourth Proportional to 65,684.57, 90,549.83 and 46,788.89

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Solution

The fourth proportional to 65,684.57, 90,549.83 and 46,788.89 is: 64,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684.57 : 90,549.83 = 46,788.89 : x
  2. Step 2: Convert to fraction form
    65,684.57/90,549.83 = 46,788.89/x
  3. Step 3: Cross multiply
    65,684.57x = 90,549.83 × 46,788.89
  4. Step 4: Simplify right side
    65,684.57x = 4,236,725,699.61
  5. Step 5: Solve for x
    x = 4,236,725,699.61/65,684.57
  6. Step 6: Final answer
    x = 64,501.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.